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Polyamido acids and polyimides based on the dianhydride of 3,4,3″,4″-triphenyldioxidetetracarboxy acid and aromatic diamines

✍ Scribed by H.S. Kolesnikov; O.Ya. Fedetova; Khusein Khamid Mokhammed; Ali Al'-Sufi; S.F. Belevskii


Book ID
118359068
Publisher
Elsevier Science
Year
1970
Weight
386 KB
Volume
12
Category
Article
ISSN
0032-3950

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New organo-soluble aromatic polyimides b
✍ Guey-Sheng Liou; Jen-Shi B. Wang; Shih-Ting Tseng; Raymond Chien-Chao Tsiang 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 144 KB 👁 1 views

New aromatic tetracarboxylic dianhydride, having isopropylidene and bromo-substituted arylene ether structure 3,3Ј,5,5Ј-tetrabromo-2,2-bis[4-(3,4-dicarboxyphenoxy)phenyl]propane dianhydride, was synthesized by the reaction of 4-nitrophthalonitrile with 3,3Ј,5,5Ј-tetrabromobisphenol A, followed by al